多功能道路检测设备

1HighHigh--Speed(70mph)Speed(70mph)RealReal--TimePavementInspectionTimePavementInspectionBugaoXuBugaoXuDepartmentofHumanEcology,CollegeofNaturalSciencesDepartmentofHumanEcology,CollegeofNaturalSciencesCenterforTransportationResearch,CollegeofEngineeringCenterforTransportationResearch,CollegeofEngineering2Problem:PavementneedstobeProblem:PavementneedstobeinspectedformaintenanceandrepairinspectedformaintenanceandrepairƒƒVisualinspectionsVisualinspectionsƒƒOnfootorslowOnfootorslow--movingvehiclemovingvehicleƒƒSubjectiveSubjectiveƒƒInterruptpublictrafficInterruptpublictraffic23WhataretheproblemswithWhataretheproblemswithautomatedsystems?automatedsystems?ƒƒDataanalysisneedsto:Dataanalysisneedsto:ƒƒBeperformedinrealtimeBeperformedinrealtimeƒƒBereplicableBereplicableƒƒMeetPMIS/ASSHTOstandardsMeetPMIS/ASSHTOstandardsƒƒSpeed(canyoudriveat70mph?)Speed(canyoudriveat70mph?)ƒƒDifferenttypesofpavementDifferenttypesofpavementƒƒFlexible(asphalt)Flexible(asphalt)ƒƒRigid(concrete)Rigid(concrete)ƒƒLighting(day,night,fog,clouds)Lighting(day,night,fog,clouds)ƒƒManytypesofcracksManytypesofcracks4Solution:digitalimagingtechnologySolution:digitalimagingtechnologyVCrackVCracksystemsystemƒƒRealReal--timedataanalysistimedataanalysisƒƒHighwayHighway--speed(worksat70mph)speed(worksat70mph)ƒƒFullcoverage(nomultiplepaths)Fullcoverage(nomultiplepaths)ƒƒTxDOTTxDOT’’ssTopInnovationAward(2004)TopInnovationAward(2004)35TechnologyoverviewTechnologyoverviewƒƒHighHigh--sensitivitylinescancamerasensitivitylinescancameraƒƒHighHigh--speedframegrabberspeedframegrabberƒƒGPS:positionandspeedGPS:positionandspeedƒƒLEDlinearlightingdeviceLEDlinearlightingdeviceƒƒCustomizedimageprocessingsoftwareCustomizedimageprocessingsoftware6BenefitsBenefitsƒƒVehicledrivenat(upto)70mphVehicledrivenat(upto)70mphƒƒMassivecostsavingsMassivecostsavingsƒƒImprovedworkersafety(roadway)Improvedworkersafety(roadway)ƒƒHighlyreliable,objectivesystemHighlyreliable,objectivesystemƒƒSubjectiveinspectionseliminatedSubjectiveinspectionseliminatedƒƒDataisreplicableDataisreplicableƒƒComprehensivedata(PMISandASSHTO)Comprehensivedata(PMISandASSHTO)47WorksinalllightingconditionsWorksinalllightingconditions(clouds,fog,day,night)(clouds,fog,day,night)8TechnologydifferentiationTechnologydifferentiationƒƒProprietaryprocessingalgorithmsProprietaryprocessingalgorithmsƒƒRealReal--timeprocessingtimeprocessingƒƒEliminatesamplingproblems(100%coverage)Eliminatesamplingproblems(100%coverage)ƒƒHighwayspeedsHighwayspeedsƒƒIdentifiesallcracktypesIdentifiesallcracktypesƒƒLEDlinearlightingLEDlinearlightingƒƒAllowsconsistentimagingregardlessofdaylightAllowsconsistentimagingregardlessofdaylightƒƒEliminatesobjectshadowsEliminatesobjectshadows59LEDlinearlightingLEDlinearlightingƒƒHighintensityHighintensityƒƒUniformdistributionUniformdistributionƒƒLowpowerconsumption(200Wvs.8KW)Lowpowerconsumption(200Wvs.8KW)ƒƒAmbientlightblockedoutbymatchingfilterAmbientlightblockedoutbymatchingfilterCylindricallensCylindricallensLEDarrayLEDarray10VCrackVCrackproducesaproducesacontinuouscontinuous““crackmapcrackmap””……thatgivesvisualinformationaboutthedatathatgivesvisualinformationaboutthedata611VCrackVCrackdetectsalltypesofcracksdetectsalltypesofcracks(e.g.,alligatorcracks)(e.g.,alligatorcracks)Fatiguecausedbyoverweighttraffic12VCrackVCrackcandetectcrackscandetectcracksevenonveryblackpavementevenonveryblackpavement713VCrackVCrackdetectscracksevenwhendetectscracksevenwhenconcretepavementistinedconcretepavementistined14VCrackVCrackproducesreliableresultsproducesreliableresultsFM1625AlligatorCracking0.501.001.502.002.503.00Distance(miles)020406080100120AlligatorK1-1K1-2K1-3K2-1K2-2K2-3K1:daytimeK2:nightMultiplerunsofonevehicle,R95%Multiplerunsofonevehicle,R95%815VCrackVCrackproducesreproducibleproducesreproduciblePMISandASSHTOresultsPMISandASSHTOresults0204060801001611162126313641460.1MileSegmentTransverseV1V2Multiplevehicles(V1andV2):R93%Multiplevehicles(V1andV2):R93%16WhatdoesHighway360WhatdoesHighway360reallylooklike?reallylooklike?Longitudinal0501001502000.01.02.03.04.05.06.07.08.0360Bridge360360&183overpass917StrongmarketneedforStrongmarketneedforimprovedtechnologyimprovedtechnologyƒƒCity,state,andfederalagenciesCity,state,andfederalagenciesƒƒPrivateroadwaysPrivateroadwaysƒƒAirportsAirportsƒƒInternationalmarketsInternationalmarkets18NextstepsNextstepsƒƒCurrentstatusCurrentstatusƒƒPatentapplicationfiledPatentapplicationfiledƒƒCopyrightedsoftwareCopyrightedsoftwareƒƒBetaproductBetaproductƒƒGovernmentcustomer:TXDOT(8vehicles)Governmentcustomer:TXDOT(8vehicles)ƒƒCommercializationopportunitiesCommercializationopportunitiesƒƒStartStart--upcompanyupcompanyƒƒTraditionallicenseTraditionallicenseƒƒFollowFollow--upmeeting:upmeeting:ƒƒTuesday,June14th,1:00Tuesday,June14th,1:00--2:00pm2:00pm